3652155556 has 48 divisors (see below), whose sum is σ = 7697491200. Its totient is φ = 1482307200.

The previous prime is 3652155553. The next prime is 3652155569. The reversal of 3652155556 is 6555512563.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (3652155553) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36970 + ... + 93118.

It is an arithmetic number, because the mean of its divisors is an integer number (160364400).

Almost surely, 2^3652155556 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3652155556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3848745600).

3652155556 is an abundant number, since it is smaller than the sum of its proper divisors (4045335644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3652155556 is a wasteful number, since it uses less digits than its factorization.

3652155556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56284 (or 56282 counting only the distinct ones).

The product of its digits is 675000, while the sum is 43.

The square root of 3652155556 is about 60433.0667432987. The cubic root of 3652155556 is about 1539.9847578184.

The spelling of 3652155556 in words is "three billion, six hundred fifty-two million, one hundred fifty-five thousand, five hundred fifty-six".